MCQOPTIONS
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MCQOPTIONS
This section includes 199 Mcqs, each offering curated multiple-choice questions to sharpen your Mechanical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
A nested subprogram can be called from the main procedure or from the calling environment. True or False? |
| A. | true |
| B. | false |
| Answer» C. | |
| 102. |
Subprograms and anonymous blocks can be called by other applications. |
| A. | true |
| B. | false |
| Answer» B. false | |
| 103. |
What is the maximum number of ELSE clauses that can be included in an IF clause that is not nested? |
| A. | 0 |
| B. | 1 |
| C. | 15 |
| D. | any number |
| Answer» C. 15 | |
| 104. |
The stepsqlite product is a PL/SQL compiler for the small database------- |
| A. | javascript |
| B. | java |
| C. | mozilla firefox |
| D. | sqlite |
| Answer» E. | |
| 105. |
What is the maximum number of handlers processed before the PL/SQL block is exited when an exception occure? |
| A. | only one |
| B. | all that apply |
| C. | all referanced |
| D. | none |
| Answer» B. all that apply | |
| 106. |
For which trigger timing can you reference the NEW and OLD qulaifires? |
| A. | statement and row |
| B. | statement only |
| C. | row only |
| D. | oracle forms trigger |
| Answer» E. | |
| 107. |
What happens when rows are found using a FETCH statement |
| A. | it causes the cursor to close |
| B. | it causes cursor to open |
| C. | it loads the current row values into variables |
| D. | none of the above |
| Answer» C. it loads the current row values into variables | |
| 108. |
The command used to open a CURSOR FOR loop is |
| A. | open |
| B. | fetch |
| C. | parse |
| D. | none of the above |
| Answer» E. | |
| 109. |
Which of the following statement will produce an error? |
| A. | cursor action_cursor is |
| B. | select name,rate,action |
| C. | into action_record |
| D. | none of the above |
| Answer» D. none of the above | |
| 110. |
In left out,which of the following would be cuase an infinite loop occure in a simple loop? |
| A. | loop |
| B. | end loop |
| C. | if_then |
| D. | exit |
| Answer» C. if_then | |
| 111. |
Which of the following are implicit cursor attributes? |
| A. | %found |
| B. | %too_many_rows |
| C. | %notfound |
| D. | %rowtype |
| Answer» D. %rowtype | |
| 112. |
Which of the following is not a feature of a cursor FOR loop |
| A. | record type declaration |
| B. | opening and parsing of sql statement |
| C. | fetches records from cursor |
| D. | requires exit condition to be defined |
| Answer» C. fetches records from cursor | |
| 113. |
Which of the following is true about implicit cursor? |
| A. | implicit cursor are used for sql that are not named |
| B. | developers should use implicit cursors with great care |
| C. | implicit cursors are no longer a feature in oracle |
| D. | none of above |
| Answer» B. developers should use implicit cursors with great care | |
| 114. |
I is invariant predicate that satisfies condtion |
| A. | i and b subset of asem (l,i) |
| B. | i and not b subset of p |
| C. | both a and b |
| D. | none of above |
| Answer» D. none of above | |
| 115. |
Function mem from the set of program identifiers ID to values |
| A. | condition |
| B. | predicate |
| C. | function |
| D. | state |
| Answer» E. | |
| 116. |
Axiomatic semantics specifies each statement of a language in terms of asemis |
| A. | predicate translation |
| B. | predicate transformer |
| C. | predicate q |
| D. | none of this |
| Answer» C. predicate q | |
| 117. |
Predicate W is called as |
| A. | weakest precondition |
| B. | weakest postcondition |
| C. | both a & b |
| D. | none of this |
| Answer» B. weakest postcondition | |
| 118. |
Predicate Q can be return as |
| A. | q=t and r;t=termination,r=truth of p |
| B. | r=i |
| C. | q=t |
| D. | q=r |
| Answer» B. r=i | |
| 119. |
Postcondition is |
| A. | predicate p required to hold after execution of statement s |
| B. | predicate q such that execution of s terminates & p holds upon termination |
| C. | either a or b |
| D. | both true |
| Answer» B. predicate q such that execution of s terminates & p holds upon termination | |
| 120. |
EBNF is metalanguage |
| A. | true |
| B. | false |
| Answer» B. false | |
| 121. |
Meta-language is |
| A. | used to described other language |
| B. | simple language |
| C. | instruction set |
| D. | none of this |
| Answer» B. simple language | |
| 122. |
Syntax of ALGOL 60 was defined with |
| A. | simply stating some rules in english |
| B. | context-free grammar |
| C. | simple language |
| D. | no syntax |
| Answer» C. simple language | |
| 123. |
The syntax of language id define by two sets… |
| A. | lexical rules |
| B. | syntactic rules |
| C. | both a & b |
| D. | none of this |
| Answer» D. none of this | |
| 124. |
The full form of EBNF.... |
| A. | extended backus naur form |
| B. | extended beginning normal form |
| C. | extended best normal form |
| D. | none of above |
| Answer» B. extended beginning normal form | |
| 125. |
..... Syntax can only represent a rule in one line, whereas in.....a terminating character, the semicolon, marks and end of a rule. |
| A. | ebnf, bnf |
| B. | bnf,ebnf |
| C. | all of above |
| D. | none of these |
| Answer» C. all of above | |
| 126. |
In a compiler.....checks every character of the source text. |
| A. | the lexical analyzer. |
| B. | the syntax analyzer. |
| C. | the code generator. |
| D. | the code optimizer. |
| Answer» B. the syntax analyzer. | |
| 127. |
A program is viewed as a state machine by........... |
| A. | algebraic semantics. |
| B. | denotational semantics. |
| C. | operational semantics. |
| D. | axiomatic semantics. |
| Answer» E. | |
| 128. |
Translation semantics are used in....... |
| A. | interpreters |
| B. | compilers |
| C. | errors. |
| D. | both a and b |
| Answer» C. errors. | |
| 129. |
.....semantics are utilized when taking in a programming language and by compiler journalists. |
| A. | algebraic semantics. |
| B. | denotational semantics. |
| C. | operational semantics. |
| D. | axiomatic semantics. |
| Answer» D. axiomatic semantics. | |
| 130. |
.........tell what is processed by giving a numerical question (function) which is the significance of the program. |
| A. | algebraic semantics. |
| B. | denotational semantics. |
| C. | operational semantics. |
| D. | axiomatic semantics. |
| Answer» C. operational semantics. | |
| 131. |
The non-terminals symbol is defined with a transition diagram having...................... |
| A. | one entry and two exit edge |
| B. | two entry and one exit edge |
| C. | one entry and one exit edge |
| D. | one entry and no exit edge |
| Answer» D. one entry and no exit edge | |
| 132. |
Representation of Non-terminals is done by.... and....by boxes. |
| A. | circles and terminate |
| B. | line and terminate |
| C. | circle and terminal |
| D. | line and terminal |
| Answer» D. line and terminal | |
| 133. |
........give another method for characterizing structure of Programming language. |
| A. | syntax diagrams. |
| B. | axiomatic and denotational approach. |
| C. | context free grammar |
| D. | all of these. |
| Answer» B. axiomatic and denotational approach. | |
| 134. |
The language syntax is characterized by two arrangements of rules: ....... and......... |
| A. | logical and syantax |
| B. | lexical and syntactic |
| C. | lexical and symmetric |
| D. | none of these |
| Answer» C. lexical and symmetric | |
| 135. |
Grammars are capable to describe the structure of ........and independent ........models. |
| A. | language and computational |
| B. | language and lexical |
| C. | language and syntactic |
| D. | none of above. |
| Answer» B. language and lexical | |
| 136. |
The distinctin among ......and......standards is to same degree Subjective. |
| A. | logical and syantax |
| B. | lexical and symmetric |
| C. | lexical and syntactic |
| D. | none of these |
| Answer» D. none of these | |
| 137. |
copy restore parameter passing method is used in___________. |
| A. | c |
| B. | pascal |
| C. | ada |
| D. | none of these |
| Answer» D. none of these | |
| 138. |
call by name parameter passing method is used in___________. |
| A. | c |
| B. | pascal |
| C. | algol |
| D. | none of these |
| Answer» D. none of these | |
| 139. |
Execution time languages can be classified are__________. |
| A. | static languages |
| B. | stack-based languages |
| C. | fully dynamic languages |
| D. | all of these |
| Answer» E. | |
| 140. |
FORTRAN uses______________. |
| A. | static allocation strategy |
| B. | stack allocation strategy |
| C. | heap allocation strategy |
| D. | none of these |
| Answer» B. stack allocation strategy | |
| 141. |
exception handling is for…. |
| A. | handling run time error |
| B. | handling syntax error |
| C. | handling logical error |
| D. | all of these |
| Answer» B. handling syntax error | |
| 142. |
which keyword is use to check exception? |
| A. | thrown |
| B. | try |
| C. | catch |
| D. | exception |
| Answer» D. exception | |
| 143. |
exception is throw using the keyword ? |
| A. | thrown |
| B. | throw |
| C. | throws |
| D. | throwing |
| Answer» C. throws | |
| 144. |
following is posted loop? |
| A. | do while |
| B. | for |
| C. | if |
| D. | while |
| Answer» B. for | |
| 145. |
For defining interface in java --------- keyword is used? |
| A. | interface |
| B. | interface |
| C. | inter |
| D. | class_interface |
| Answer» C. inter | |
| 146. |
during implicit conversion is it possible to |
| A. | loss of information |
| B. | sign can be lost |
| C. | occure overlow |
| D. | all of these |
| Answer» D. all of these | |
| 147. |
which of the following is not data type in pascal? |
| A. | real |
| B. | float |
| C. | double |
| D. | struct |
| Answer» C. double | |
| 148. |
chosse the incorrect statement |
| A. | int a[]=new int[10] |
| B. | int[] a=new int[10] |
| C. | int a[]=int[10] new |
| D. | all of these |
| Answer» D. all of these | |
| 149. |
#include using namespace std; int main() { int a=10,b=20; a=a++; b=++b; cout |
| A. | 10 20 |
| B. | 11 20 |
| C. | 10 21 |
| D. | 11 21 |
| Answer» D. 11 21 | |
| 150. |
What is the output of the following code? int main() { double x=1.2; int sum=(int)x + 1; printf("sum=%d",sum); return 0; } |
| A. | 2.2 |
| B. | 2 |
| C. | 2 |
| D. | conversion from double to int is not possible |
| Answer» C. 2 | |